You’ll need to use the host networking mode for this to work.
The contents of this directory should be mounted into a Docker volume assigned to the container. The X socket can be found in /tmp/.X11-unix on your host. Providing a Docker container with access to your host’s X socket is a straightforward procedure. Forwarding An X Socket to A Docker Container If you need to temporarily run two versions of a program, you can use Docker to avoid having to remove and reinstall the software on your host. This approach also helps you avoid any incompatibilities with other packages in your environment.
#Docker desktop application install#
You can install the software in a clean container, instead of having to pollute your host with new packages. Running a GUI program in Docker can be a useful technique when you’re evaluating a new piece of software.
#Docker desktop application how to#
RELATED: How to Install Docker and Docker Compose on Linux Why Run GUI Apps in Docker? GUI applications running in the container would then appear on your existing desktop. This allows your container to use the X Server you already have. Starting the server would try to claim your video devices, usually resulting in loss of video output as your host’s original X server gets its devices yanked away.Ī better approach is to mount your host’s X Server socket into the Docker container. You’d need to run Docker in privileged mode ( -privileged) so it could access your host’s hardware. Trying to run an X Server in Docker is theoretically possible but rarely used. (Alternative windowing systems, such as Wayland, are available – we’re focusing on X in this article.) GUI applications can’t render without an X Server available. X Servers such as Xorg provide the fundamental graphical capabilities of Unix systems. The next component is the X Window System.
Unlike a virtual machine, containers share the same Linux kernel as their host system. A Docker “container” is a form of encapsulation which seems to be superficially similar to a virtual machine. You can also use it to run graphical programs though! You can either use an existing X Server, where the host machine is already running a graphical environment, or you can run a VNC server within the container.įirst it’s important to understand what Docker actually does. Docker’s normally used to containerise background applications and CLI programs.
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